tests/phpunit/includes/parser/NewParserTest.php

   1 <?php
   2
   3 /**
   4  * Although marked as a stub, can work independently.
   5  *
   6  * @group Database
   7  * @group Parser
   8  * @group Stub
   9  *
  10  * @todo covers tags
  11  */
  12 class NewParserTest extends MediaWikiTestCase {
  13         static protected $articles = array(); // Array of test articles defined by the tests
  14         /* The data provider is run on a different instance than the test, so it must be static
  15          * When running tests from several files, all tests will see all articles.
  16          */
  17         static protected $backendToUse;
  18
  19         public $keepUploads = false;
  20         public $runDisabled = false;
  21         public $runParsoid = false;
  22         public $regex = '';
  23         public $showProgress = true;
  24         public $savedWeirdGlobals = array();
  25         public $savedGlobals = array();
  26         public $hooks = array();
  27         public $functionHooks = array();
  28
  29         //Fuzz test
  30         public $maxFuzzTestLength = 300;
  31         public $fuzzSeed = 0;
  32         public $memoryLimit = 50;
  33
  34         /**
  35          * @var DjVuSupport
  36          */
  37         private $djVuSupport;
  38
  39         protected $file = false;
  40
  41         public static function setUpBeforeClass() {
  42                 // Inject ParserTest well-known interwikis
  43                 ParserTest::setupInterwikis();
  44         }
  45
  46         protected function setUp() {
  47                 global $wgNamespaceAliases, $wgContLang;
  48                 global $wgHooks, $IP;
  49
  50                 parent::setUp();
  51
  52                 //Setup CLI arguments
  53                 if ( $this->getCliArg( 'regex=' ) ) {
  54                         $this->regex = $this->getCliArg( 'regex=' );
  55                 } else {
  56                         # Matches anything
  57                         $this->regex = '';
  58                 }
  59
  60                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  61
  62                 $tmpGlobals = array();
  63
  64                 $tmpGlobals['wgLanguageCode'] = 'en';
  65                 $tmpGlobals['wgContLang'] = Language::factory( 'en' );
  66                 $tmpGlobals['wgSitename'] = 'MediaWiki';
  67                 $tmpGlobals['wgServer'] = 'http://example.org';
  68                 $tmpGlobals['wgServerName'] = 'example.org';
  69                 $tmpGlobals['wgScript'] = '/index.php';
  70                 $tmpGlobals['wgScriptPath'] = '/';
  71                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  72                 $tmpGlobals['wgActionPaths'] = array();
  73                 $tmpGlobals['wgVariantArticlePath'] = false;
  74                 $tmpGlobals['wgExtensionAssetsPath'] = '/extensions';
  75                 $tmpGlobals['wgStylePath'] = '/skins';
  76                 $tmpGlobals['wgEnableUploads'] = true;
  77                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  78                 $tmpGlobals['wgLocalFileRepo'] = array(
  79                         'class' => 'LocalRepo',
  80                         'name' => 'local',
  81                         'url' => 'http://example.com/images',
  82                         'hashLevels' => 2,
  83                         'transformVia404' => false,
  84                         'backend' => 'local-backend'
  85                 );
  86                 $tmpGlobals['wgForeignFileRepos'] = array();
  87                 $tmpGlobals['wgDefaultExternalStore'] = array();
  88                 $tmpGlobals['wgEnableParserCache'] = false;
  89                 $tmpGlobals['wgCapitalLinks'] = true;
  90                 $tmpGlobals['wgNoFollowLinks'] = true;
  91                 $tmpGlobals['wgNoFollowDomainExceptions'] = array();
  92                 $tmpGlobals['wgExternalLinkTarget'] = false;
  93                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  94                 $tmpGlobals['wgUseImageResize'] = true;
  95                 $tmpGlobals['wgAllowExternalImages'] = true;
  96                 $tmpGlobals['wgRawHtml'] = false;
  97                 $tmpGlobals['wgUseTidy'] = false;
  98                 $tmpGlobals['wgAlwaysUseTidy'] = false;
  99                 $tmpGlobals['wgWellFormedXml'] = true;
 100                 $tmpGlobals['wgAllowMicrodataAttributes'] = true;
 101                 $tmpGlobals['wgExperimentalHtmlIds'] = false;
 102                 $tmpGlobals['wgAdaptiveMessageCache'] = true;
 103                 $tmpGlobals['wgUseDatabaseMessages'] = true;
 104                 $tmpGlobals['wgLocaltimezone'] = 'UTC';
 105                 $tmpGlobals['wgDeferredUpdateList'] = array();
 106                 $tmpGlobals['wgGroupPermissions'] = array(
 107                         '*' => array(
 108                                 'createaccount' => true,
 109                                 'read' => true,
 110                                 'edit' => true,
 111                                 'createpage' => true,
 112                                 'createtalk' => true,
 113                 ) );
 114                 $tmpGlobals['wgNamespaceProtection'] = array( NS_MEDIAWIKI => 'editinterface' );
 115
 116                 $tmpGlobals['wgParser'] = new StubObject(
 117                         'wgParser', $GLOBALS['wgParserConf']['class'],
 118                         array( $GLOBALS['wgParserConf'] ) );
 119
 120                 $tmpGlobals['wgFileExtensions'][] = 'svg';
 121                 $tmpGlobals['wgSVGConverter'] = 'rsvg';
 122                 $tmpGlobals['wgSVGConverters']['rsvg'] =
 123                         '$path/rsvg-convert -w $width -h $height $input -o $output';
 124
 125                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
 126                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
 127                 }
 128
 129                 # Replace all media handlers with a mock. We do not need to generate
 130                 # actual thumbnails to do parser testing, we only care about receiving
 131                 # a ThumbnailImage properly initialized.
 132                 global $wgMediaHandlers;
 133                 foreach ( $wgMediaHandlers as $type => $handler ) {
 134                         $tmpGlobals['wgMediaHandlers'][$type] = 'MockBitmapHandler';
 135                 }
 136                 // Vector images have to be handled slightly differently
 137                 $tmpGlobals['wgMediaHandlers']['image/svg+xml'] = 'MockSvgHandler';
 138
 139                 // DjVu images have to be handled slightly differently
 140                 $tmpGlobals['wgMediaHandlers']['image/vnd.djvu'] = 'MockDjVuHandler';
 141
 142                 $tmpHooks = $wgHooks;
 143                 $tmpHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 144                 $tmpHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 145                 $tmpGlobals['wgHooks'] = $tmpHooks;
 146                 # add a namespace shadowing a interwiki link, to test
 147                 # proper precedence when resolving links. (bug 51680)
 148                 $tmpGlobals['wgExtraNamespaces'] = array( 100 => 'MemoryAlpha' );
 149
 150                 //DjVu support
 151                 $this->djVuSupport = new DjVuSupport();
 152
 153                 $this->setMwGlobals( $tmpGlobals );
 154
 155                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 156                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 157
 158                 $wgNamespaceAliases['Image'] = NS_FILE;
 159                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 160
 161                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 162                 $wgContLang->resetNamespaces(); # reset namespace cache
 163         }
 164
 165         protected function tearDown() {
 166                 global $wgNamespaceAliases, $wgContLang;
 167
 168                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 169                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 170
 171                 // Restore backends
 172                 RepoGroup::destroySingleton();
 173                 FileBackendGroup::destroySingleton();
 174
 175                 // Remove temporary pages from the link cache
 176                 LinkCache::singleton()->clear();
 177
 178                 // Restore message cache (temporary pages and $wgUseDatabaseMessages)
 179                 MessageCache::destroyInstance();
 180
 181                 parent::tearDown();
 182
 183                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 184                 $wgContLang->resetNamespaces(); # reset namespace cache
 185         }
 186
 187         public static function tearDownAfterClass() {
 188                 ParserTest::tearDownInterwikis();
 189                 parent::tearDownAfterClass();
 190         }
 191
 192         function addDBData() {
 193                 $this->tablesUsed[] = 'site_stats';
 194                 # disabled for performance
 195                 #$this->tablesUsed[] = 'image';
 196
 197                 # Update certain things in site_stats
 198                 $this->db->insert( 'site_stats',
 199                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 200                         __METHOD__
 201                 );
 202
 203                 $user = User::newFromId( 0 );
 204                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 205
 206                 # Upload DB table entries for files.
 207                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 208                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 209                 # member to false and storing it in cache.
 210                 # note that the size/width/height/bits/etc of the file
 211                 # are actually set by inspecting the file itself; the arguments
 212                 # to recordUpload2 have no effect.  That said, we try to make things
 213                 # match up so it is less confusing to readers of the code & tests.
 214                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 215                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 216                         $image->recordUpload2(
 217                                 '', // archive name
 218                                 'Upload of some lame file',
 219                                 'Some lame file',
 220                                 array(
 221                                         'size' => 7881,
 222                                         'width' => 1941,
 223                                         'height' => 220,
 224                                         'bits' => 8,
 225                                         'media_type' => MEDIATYPE_BITMAP,
 226                                         'mime' => 'image/jpeg',
 227                                         'metadata' => serialize( array() ),
 228                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 229                                         'fileExists' => true ),
 230                                 $this->db->timestamp( '20010115123500' ), $user
 231                         );
 232                 }
 233
 234                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 235                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 236                         $image->recordUpload2(
 237                                 '', // archive name
 238                                 'Upload of some lame thumbnail',
 239                                 'Some lame thumbnail',
 240                                 array(
 241                                         'size' => 22589,
 242                                         'width' => 135,
 243                                         'height' => 135,
 244                                         'bits' => 8,
 245                                         'media_type' => MEDIATYPE_BITMAP,
 246                                         'mime' => 'image/png',
 247                                         'metadata' => serialize( array() ),
 248                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 249                                         'fileExists' => true ),
 250                                 $this->db->timestamp( '20130225203040' ), $user
 251                         );
 252                 }
 253
 254                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 255                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 256                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 257                         $image->recordUpload2(
 258                                 '', // archive name
 259                                 'zomgnotcensored',
 260                                 'Borderline image',
 261                                 array(
 262                                         'size' => 12345,
 263                                         'width' => 320,
 264                                         'height' => 240,
 265                                         'bits' => 24,
 266                                         'media_type' => MEDIATYPE_BITMAP,
 267                                         'mime' => 'image/jpeg',
 268                                         'metadata' => serialize( array() ),
 269                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 270                                         'fileExists' => true ),
 271                                 $this->db->timestamp( '20010115123500' ), $user
 272                         );
 273                 }
 274                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
 275                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 276                         $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
 277                                         'size'        => 12345,
 278                                         'width'       => 240,
 279                                         'height'      => 180,
 280                                         'bits'        => 24,
 281                                         'media_type'  => MEDIATYPE_DRAWING,
 282                                         'mime'        => 'image/svg+xml',
 283                                         'metadata'    => serialize( array() ),
 284                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 285                                         'fileExists'  => true
 286                         ), $this->db->timestamp( '20010115123500' ), $user );
 287                 }
 288                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Portrait.png' ) );
 289                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 290                         $image->recordUpload2( '', 'Upload of tall bitmap', 'Some tall bitmap', array(
 291                                         'size'        => 12345,
 292                                         'width'       => 180,
 293                                         'height'      => 240,
 294                                         'bits'        => 8,
 295                                         'media_type'  => MEDIATYPE_BITMAP,
 296                                         'mime'        => 'image/png',
 297                                         'metadata'    => serialize( array() ),
 298                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 299                                         'fileExists'  => true
 300                         ), $this->db->timestamp( '20140515134200' ), $user );
 301                 }
 302                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Portrait.svg' ) );
 303                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 304                         $image->recordUpload2( '', 'Upload of tall SVG', 'Some tall SVG', array(
 305                                         'size'        => 12345,
 306                                         'width'       => 180,
 307                                         'height'      => 240,
 308                                         'bits'        => 24,
 309                                         'media_type'  => MEDIATYPE_DRAWING,
 310                                         'mime'        => 'image/svg+xml',
 311                                         'metadata'    => serialize( array() ),
 312                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 313                                         'fileExists'  => true
 314                         ), $this->db->timestamp( '20140325124200' ), $user );
 315                 }
 316
 317                 # A DjVu file
 318                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'LoremIpsum.djvu' ) );
 319                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 320                         $image->recordUpload2( '', 'Upload a DjVu', 'A DjVu', array(
 321                                 'size' => 3249,
 322                                 'width' => 2480,
 323                                 'height' => 3508,
 324                                 'bits' => 24,
 325                                 'media_type' => MEDIATYPE_BITMAP,
 326                                 'mime' => 'image/vnd.djvu',
 327                                 'metadata' => '<?xml version="1.0" ?>
 328 <!DOCTYPE DjVuXML PUBLIC "-//W3C//DTD DjVuXML 1.1//EN" "pubtext/DjVuXML-s.dtd">
 329 <DjVuXML>
 330 <HEAD></HEAD>
 331 <BODY><OBJECT height="3508" width="2480">
 332 <PARAM name="DPI" value="300" />
 333 <PARAM name="GAMMA" value="2.2" />
 334 </OBJECT>
 335 <OBJECT height="3508" width="2480">
 336 <PARAM name="DPI" value="300" />
 337 <PARAM name="GAMMA" value="2.2" />
 338 </OBJECT>
 339 <OBJECT height="3508" width="2480">
 340 <PARAM name="DPI" value="300" />
 341 <PARAM name="GAMMA" value="2.2" />
 342 </OBJECT>
 343 <OBJECT height="3508" width="2480">
 344 <PARAM name="DPI" value="300" />
 345 <PARAM name="GAMMA" value="2.2" />
 346 </OBJECT>
 347 <OBJECT height="3508" width="2480">
 348 <PARAM name="DPI" value="300" />
 349 <PARAM name="GAMMA" value="2.2" />
 350 </OBJECT>
 351 </BODY>
 352 </DjVuXML>',
 353                                 'sha1' => wfBaseConvert( '', 16, 36, 31 ),
 354                                 'fileExists' => true
 355                         ), $this->db->timestamp( '20140115123600' ), $user );
 356                 }
 357         }
 358
 359         //ParserTest setup/teardown functions
 360
 361         /**
 362          * Set up the global variables for a consistent environment for each test.
 363          * Ideally this should replace the global configuration entirely.
 364          */
 365         protected function setupGlobals( $opts = array(), $config = '' ) {
 366                 global $wgFileBackends;
 367                 # Find out values for some special options.
 368                 $lang =
 369                         self::getOptionValue( 'language', $opts, 'en' );
 370                 $variant =
 371                         self::getOptionValue( 'variant', $opts, false );
 372                 $maxtoclevel =
 373                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 374                 $linkHolderBatchSize =
 375                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 376
 377                 $uploadDir = $this->getUploadDir();
 378                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 379                         if ( self::$backendToUse ) {
 380                                 $backend = self::$backendToUse;
 381                         } else {
 382                                 $name = $this->getCliArg( 'use-filebackend=' );
 383                                 $useConfig = array();
 384                                 foreach ( $wgFileBackends as $conf ) {
 385                                         if ( $conf['name'] == $name ) {
 386                                                 $useConfig = $conf;
 387                                         }
 388                                 }
 389                                 $useConfig['name'] = 'local-backend'; // swap name
 390                                 unset( $useConfig['lockManager'] );
 391                                 unset( $useConfig['fileJournal'] );
 392                                 $class = $useConfig['class'];
 393                                 self::$backendToUse = new $class( $useConfig );
 394                                 $backend = self::$backendToUse;
 395                         }
 396                 } else {
 397                         # Replace with a mock. We do not care about generating real
 398                         # files on the filesystem, just need to expose the file
 399                         # informations.
 400                         $backend = new MockFileBackend( array(
 401                                 'name' => 'local-backend',
 402                                 'wikiId' => wfWikiId()
 403                         ) );
 404                 }
 405
 406                 $settings = array(
 407                         'wgLocalFileRepo' => array(
 408                                 'class' => 'LocalRepo',
 409                                 'name' => 'local',
 410                                 'url' => 'http://example.com/images',
 411                                 'hashLevels' => 2,
 412                                 'transformVia404' => false,
 413                                 'backend' => $backend
 414                         ),
 415                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 416                         'wgLanguageCode' => $lang,
 417                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 418                         'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ),
 419                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 420                         'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ),
 421                         'wgThumbLimits' => array( self::getOptionValue( 'thumbsize', $opts, 180 ) ),
 422                         'wgMaxTocLevel' => $maxtoclevel,
 423                         'wgUseTeX' => isset( $opts['math'] ) || isset( $opts['texvc'] ),
 424                         'wgMathDirectory' => $uploadDir . '/math',
 425                         'wgDefaultLanguageVariant' => $variant,
 426                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 427                 );
 428
 429                 if ( $config ) {
 430                         $configLines = explode( "\n", $config );
 431
 432                         foreach ( $configLines as $line ) {
 433                                 list( $var, $value ) = explode( '=', $line, 2 );
 434
 435                                 $settings[$var] = eval( "return $value;" ); //???
 436                         }
 437                 }
 438
 439                 $this->savedGlobals = array();
 440
 441                 /** @since 1.20 */
 442                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 443
 444                 $langObj = Language::factory( $lang );
 445                 $settings['wgContLang'] = $langObj;
 446                 $settings['wgLang'] = $langObj;
 447
 448                 $context = new RequestContext();
 449                 $settings['wgOut'] = $context->getOutput();
 450                 $settings['wgUser'] = $context->getUser();
 451                 $settings['wgRequest'] = $context->getRequest();
 452
 453                 // We (re)set $wgThumbLimits to a single-element array above.
 454                 $context->getUser()->setOption( 'thumbsize', 0 );
 455
 456                 foreach ( $settings as $var => $val ) {
 457                         if ( array_key_exists( $var, $GLOBALS ) ) {
 458                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 459                         }
 460
 461                         $GLOBALS[$var] = $val;
 462                 }
 463
 464                 MagicWord::clearCache();
 465
 466                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 467                 RepoGroup::destroySingleton();
 468                 FileBackendGroup::destroySingleton();
 469
 470                 # Create dummy files in storage
 471                 $this->setupUploads();
 472
 473                 # Publish the articles after we have the final language set
 474                 $this->publishTestArticles();
 475
 476                 MessageCache::destroyInstance();
 477
 478                 return $context;
 479         }
 480
 481         /**
 482          * Get an FS upload directory (only applies to FSFileBackend)
 483          *
 484          * @return string The directory
 485          */
 486         protected function getUploadDir() {
 487                 if ( $this->keepUploads ) {
 488                         $dir = wfTempDir() . '/mwParser-images';
 489
 490                         if ( is_dir( $dir ) ) {
 491                                 return $dir;
 492                         }
 493                 } else {
 494                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 495                 }
 496
 497                 // wfDebug( "Creating upload directory $dir\n" );
 498                 if ( file_exists( $dir ) ) {
 499                         wfDebug( "Already exists!\n" );
 500
 501                         return $dir;
 502                 }
 503
 504                 return $dir;
 505         }
 506
 507         /**
 508          * Create a dummy uploads directory which will contain a couple
 509          * of files in order to pass existence tests.
 510          *
 511          * @return string The directory
 512          */
 513         protected function setupUploads() {
 514                 global $IP;
 515
 516                 $base = $this->getBaseDir();
 517                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 518                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 519                 $backend->store( array(
 520                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 521                 ) );
 522                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 523                 $backend->store( array(
 524                         'src' => "$IP/skins/monobook/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png"
 525                 ) );
 526                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 527                 $backend->store( array(
 528                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 529                 ) );
 530                 $backend->prepare( array( 'dir' => "$base/local-public/9/93" ) );
 531                 $backend->store( array(
 532                         'src' => "$IP/tests/phpunit/data/media/Portrait.png", 'dst' => "$base/local-public/9/93/Portrait.png"
 533                 ) );
 534                 $backend->prepare( array( 'dir' => "$base/local-public/5/5f" ) );
 535                 $backend->store( array(
 536                         'src' => "$IP/tests/phpunit/data/media/LoremIpsum.djvu", 'dst' => "$base/local-public/5/5f/LoremIpsum.djvu"
 537                 ) );
 538
 539                 // No helpful SVG file to copy, so make one ourselves
 540                 $data = '<?xml version="1.0" encoding="utf-8"?>' .
 541                         '<svg xmlns="http://www.w3.org/2000/svg"' .
 542                         ' version="1.1" width="240" height="180"/>';
 543
 544                 $backend->prepare( array( 'dir' => "$base/local-public/f/ff" ) );
 545                 $backend->quickCreate( array(
 546                         'content' => $data, 'dst' => "$base/local-public/f/ff/Foobar.svg"
 547                 ) );
 548
 549                 $data = '<?xml version="1.0" encoding="utf-8"?>' .
 550                         '<svg xmlns="http://www.w3.org/2000/svg"' .
 551                         ' version="1.1" width="180" height="240"/>';
 552
 553                 $backend->prepare( array( 'dir' => "$base/local-public/f/fc" ) );
 554                 $backend->quickCreate( array(
 555                         'content' => $data, 'dst' => "$base/local-public/f/fc/Portrait.svg"
 556                 ) );
 557         }
 558
 559         /**
 560          * Restore default values and perform any necessary clean-up
 561          * after each test runs.
 562          */
 563         protected function teardownGlobals() {
 564                 $this->teardownUploads();
 565
 566                 foreach ( $this->savedGlobals as $var => $val ) {
 567                         $GLOBALS[$var] = $val;
 568                 }
 569         }
 570
 571         /**
 572          * Remove the dummy uploads directory
 573          */
 574         private function teardownUploads() {
 575                 if ( $this->keepUploads ) {
 576                         return;
 577                 }
 578
 579                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 580                 if ( $backend instanceof MockFileBackend ) {
 581                         # In memory backend, so dont bother cleaning them up.
 582                         return;
 583                 }
 584
 585                 $base = $this->getBaseDir();
 586                 // delete the files first, then the dirs.
 587                 self::deleteFiles(
 588                         array(
 589                                 "$base/local-public/3/3a/Foobar.jpg",
 590                                 "$base/local-thumb/3/3a/Foobar.jpg/1000px-Foobar.jpg",
 591                                 "$base/local-thumb/3/3a/Foobar.jpg/100px-Foobar.jpg",
 592                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 593                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 594                                 "$base/local-thumb/3/3a/Foobar.jpg/137px-Foobar.jpg",
 595                                 "$base/local-thumb/3/3a/Foobar.jpg/1500px-Foobar.jpg",
 596                                 "$base/local-thumb/3/3a/Foobar.jpg/177px-Foobar.jpg",
 597                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 598                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 599                                 "$base/local-thumb/3/3a/Foobar.jpg/206px-Foobar.jpg",
 600                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 601                                 "$base/local-thumb/3/3a/Foobar.jpg/220px-Foobar.jpg",
 602                                 "$base/local-thumb/3/3a/Foobar.jpg/265px-Foobar.jpg",
 603                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 604                                 "$base/local-thumb/3/3a/Foobar.jpg/274px-Foobar.jpg",
 605                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 606                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 607                                 "$base/local-thumb/3/3a/Foobar.jpg/330px-Foobar.jpg",
 608                                 "$base/local-thumb/3/3a/Foobar.jpg/353px-Foobar.jpg",
 609                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 610                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 611                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 612                                 "$base/local-thumb/3/3a/Foobar.jpg/440px-Foobar.jpg",
 613                                 "$base/local-thumb/3/3a/Foobar.jpg/442px-Foobar.jpg",
 614                                 "$base/local-thumb/3/3a/Foobar.jpg/450px-Foobar.jpg",
 615                                 "$base/local-thumb/3/3a/Foobar.jpg/50px-Foobar.jpg",
 616                                 "$base/local-thumb/3/3a/Foobar.jpg/600px-Foobar.jpg",
 617                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 618                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 619                                 "$base/local-thumb/3/3a/Foobar.jpg/75px-Foobar.jpg",
 620                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 621
 622                                 "$base/local-public/e/ea/Thumb.png",
 623
 624                                 "$base/local-public/0/09/Bad.jpg",
 625
 626                                 "$base/local-public/5/5f/LoremIpsum.djvu",
 627                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-2480px-LoremIpsum.djvu.jpg",
 628                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-3720px-LoremIpsum.djvu.jpg",
 629                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-4960px-LoremIpsum.djvu.jpg",
 630
 631                                 "$base/local-public/9/93/Portrait.png",
 632                                 "$base/local-thumb/9/93/Portrait.png/165px-Portrait.png",
 633
 634                                 "$base/local-public/f/ff/Foobar.svg",
 635                                 "$base/local-thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
 636                                 "$base/local-thumb/f/ff/Foobar.svg/2000px-Foobar.svg.png",
 637                                 "$base/local-thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
 638                                 "$base/local-thumb/f/ff/Foobar.svg/3000px-Foobar.svg.png",
 639                                 "$base/local-thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
 640                                 "$base/local-thumb/f/ff/Foobar.svg/4000px-Foobar.svg.png",
 641                                 "$base/local-thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
 642                                 "$base/local-thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
 643                                 "$base/local-thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
 644
 645                                 "$base/local-public/f/fc/Portrait.svg",
 646                                 "$base/local-thumb/f/fc/Portrait.svg/165px-Portrait.svg.png",
 647                                 "$base/local-thumb/f/fc/Portrait.svg/225px-Portrait.svg.png",
 648                                 "$base/local-thumb/f/fc/Portrait.svg/247px-Portrait.svg.png",
 649                                 "$base/local-thumb/f/fc/Portrait.svg/330px-Portrait.svg.png",
 650                                 "$base/local-thumb/f/fc/Portrait.svg/337px-Portrait.svg.png",
 651                                 "$base/local-thumb/f/fc/Portrait.svg/450px-Portrait.svg.png",
 652
 653                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 654                         )
 655                 );
 656         }
 657
 658         /**
 659          * Delete the specified files, if they exist.
 660          * @param array $files Full paths to files to delete.
 661          */
 662         private static function deleteFiles( $files ) {
 663                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 664                 foreach ( $files as $file ) {
 665                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 666                 }
 667                 foreach ( $files as $file ) {
 668                         $tmp = $file;
 669                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 670                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 671                                         break;
 672                                 }
 673                         }
 674                 }
 675         }
 676
 677         protected function getBaseDir() {
 678                 return 'mwstore://local-backend';
 679         }
 680
 681         public function parserTestProvider() {
 682                 if ( $this->file === false ) {
 683                         global $wgParserTestFiles;
 684                         $this->file = $wgParserTestFiles[0];
 685                 }
 686
 687                 return new TestFileIterator( $this->file, $this );
 688         }
 689
 690         /**
 691          * Set the file from whose tests will be run by this instance
 692          * @param string $filename
 693          */
 694         public function setParserTestFile( $filename ) {
 695                 $this->file = $filename;
 696         }
 697
 698         /**
 699          * @group medium
 700          * @dataProvider parserTestProvider
 701          * @param string $desc
 702          * @param string $input
 703          * @param string $result
 704          * @param array $opts
 705          * @param array $config
 706          */
 707         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 708                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 709                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 710                         //$this->markTestSkipped( 'Filtered out by the user' );
 711                         return;
 712                 }
 713
 714                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 715                         // parser tests frequently assume that the main namespace contains wikitext.
 716                         // @todo When setting up pages, force the content model. Only skip if
 717                         //        $wgtContentModelUseDB is false.
 718                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 719                                 . "skipping parser test: $desc" );
 720                 }
 721
 722                 wfDebug( "Running parser test: $desc\n" );
 723
 724                 $opts = $this->parseOptions( $opts );
 725                 $context = $this->setupGlobals( $opts, $config );
 726
 727                 $user = $context->getUser();
 728                 $options = ParserOptions::newFromContext( $context );
 729
 730                 if ( isset( $opts['title'] ) ) {
 731                         $titleText = $opts['title'];
 732                 } else {
 733                         $titleText = 'Parser test';
 734                 }
 735
 736                 $local = isset( $opts['local'] );
 737                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 738                 $parser = $this->getParser( $preprocessor );
 739
 740                 $title = Title::newFromText( $titleText );
 741
 742                 # Parser test requiring math. Make sure texvc is executable
 743                 # or just skip such tests.
 744                 if ( isset( $opts['math'] ) || isset( $opts['texvc'] ) ) {
 745                         global $wgTexvc;
 746
 747                         if ( !isset( $wgTexvc ) ) {
 748                                 $this->markTestSkipped( "SKIPPED: \$wgTexvc is not set" );
 749                         } elseif ( !is_executable( $wgTexvc ) ) {
 750                                 $this->markTestSkipped( "SKIPPED: texvc binary does not exist"
 751                                         . " or is not executable.\n"
 752                                         . "Current configuration is:\n\$wgTexvc = '$wgTexvc'" );
 753                         }
 754                 }
 755                 if ( isset( $opts['djvu'] ) ) {
 756                         if ( !$this->djVuSupport->isEnabled() ) {
 757                                 $this->markTestSkipped( "SKIPPED: djvu binaries do not exist or are not executable.\n" );
 758                         }
 759                 }
 760
 761                 if ( isset( $opts['pst'] ) ) {
 762                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 763                 } elseif ( isset( $opts['msg'] ) ) {
 764                         $out = $parser->transformMsg( $input, $options, $title );
 765                 } elseif ( isset( $opts['section'] ) ) {
 766                         $section = $opts['section'];
 767                         $out = $parser->getSection( $input, $section );
 768                 } elseif ( isset( $opts['replace'] ) ) {
 769                         $section = $opts['replace'][0];
 770                         $replace = $opts['replace'][1];
 771                         $out = $parser->replaceSection( $input, $section, $replace );
 772                 } elseif ( isset( $opts['comment'] ) ) {
 773                         $out = Linker::formatComment( $input, $title, $local );
 774                 } elseif ( isset( $opts['preload'] ) ) {
 775                         $out = $parser->getPreloadText( $input, $title, $options );
 776                 } else {
 777                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 778                         $output->setTOCEnabled( !isset( $opts['notoc'] ) );
 779                         $out = $output->getText();
 780
 781                         if ( isset( $opts['showtitle'] ) ) {
 782                                 if ( $output->getTitleText() ) {
 783                                         $title = $output->getTitleText();
 784                                 }
 785
 786                                 $out = "$title\n$out";
 787                         }
 788
 789                         if ( isset( $opts['ill'] ) ) {
 790                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 791                         } elseif ( isset( $opts['cat'] ) ) {
 792                                 $outputPage = $context->getOutput();
 793                                 $outputPage->addCategoryLinks( $output->getCategories() );
 794                                 $cats = $outputPage->getCategoryLinks();
 795
 796                                 if ( isset( $cats['normal'] ) ) {
 797                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 798                                 } else {
 799                                         $out = '';
 800                                 }
 801                         }
 802                         $parser->mPreprocessor = null;
 803
 804                         $result = $this->tidy( $result );
 805                 }
 806
 807                 $this->teardownGlobals();
 808
 809                 $this->assertEquals( $result, $out, $desc );
 810         }
 811
 812         /**
 813          * Run a fuzz test series
 814          * Draw input from a set of test files
 815          *
 816          * @todo fixme Needs some work to not eat memory until the world explodes
 817          *
 818          * @group ParserFuzz
 819          */
 820         public function testFuzzTests() {
 821                 global $wgParserTestFiles;
 822
 823                 $files = $wgParserTestFiles;
 824
 825                 if ( $this->getCliArg( 'file=' ) ) {
 826                         $files = array( $this->getCliArg( 'file=' ) );
 827                 }
 828
 829                 $dict = $this->getFuzzInput( $files );
 830                 $dictSize = strlen( $dict );
 831                 $logMaxLength = log( $this->maxFuzzTestLength );
 832
 833                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 834
 835                 $user = new User;
 836                 $opts = ParserOptions::newFromUser( $user );
 837                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 838
 839                 $id = 1;
 840
 841                 while ( true ) {
 842
 843                         // Generate test input
 844                         mt_srand( ++$this->fuzzSeed );
 845                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 846                         $input = '';
 847
 848                         while ( strlen( $input ) < $totalLength ) {
 849                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 850                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 851                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 852                                 $input .= substr( $dict, $offset, $hairLength );
 853                         }
 854
 855                         $this->setupGlobals();
 856                         $parser = $this->getParser();
 857
 858                         // Run the test
 859                         try {
 860                                 $parser->parse( $input, $title, $opts );
 861                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 862                         } catch ( Exception $exception ) {
 863                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 864
 865                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\n" .
 866                                         "Input: $input_dump\n\nError: {$exception->getMessage()}\n\n" .
 867                                         "Backtrace: {$exception->getTraceAsString()}" );
 868                         }
 869
 870                         $this->teardownGlobals();
 871                         $parser->__destruct();
 872
 873                         if ( $id % 100 == 0 ) {
 874                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 875                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 876                                 if ( $usage > 90 ) {
 877                                         $ret = "Out of memory:\n";
 878                                         $memStats = $this->getMemoryBreakdown();
 879
 880                                         foreach ( $memStats as $name => $usage ) {
 881                                                 $ret .= "$name: $usage\n";
 882                                         }
 883
 884                                         throw new MWException( $ret );
 885                                 }
 886                         }
 887
 888                         $id++;
 889                 }
 890         }
 891
 892         //Various getter functions
 893
 894         /**
 895          * Get an input dictionary from a set of parser test files
 896          * @param array $filenames
 897          */
 898         function getFuzzInput( $filenames ) {
 899                 $dict = '';
 900
 901                 foreach ( $filenames as $filename ) {
 902                         $contents = file_get_contents( $filename );
 903                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 904
 905                         foreach ( $matches[1] as $match ) {
 906                                 $dict .= $match . "\n";
 907                         }
 908                 }
 909
 910                 return $dict;
 911         }
 912
 913         /**
 914          * Get a memory usage breakdown
 915          */
 916         function getMemoryBreakdown() {
 917                 $memStats = array();
 918
 919                 foreach ( $GLOBALS as $name => $value ) {
 920                         $memStats['$' . $name] = strlen( serialize( $value ) );
 921                 }
 922
 923                 $classes = get_declared_classes();
 924
 925                 foreach ( $classes as $class ) {
 926                         $rc = new ReflectionClass( $class );
 927                         $props = $rc->getStaticProperties();
 928                         $memStats[$class] = strlen( serialize( $props ) );
 929                         $methods = $rc->getMethods();
 930
 931                         foreach ( $methods as $method ) {
 932                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 933                         }
 934                 }
 935
 936                 $functions = get_defined_functions();
 937
 938                 foreach ( $functions['user'] as $function ) {
 939                         $rf = new ReflectionFunction( $function );
 940                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 941                 }
 942
 943                 asort( $memStats );
 944
 945                 return $memStats;
 946         }
 947
 948         /**
 949          * Get a Parser object
 950          * @param Preprocessor $preprocessor
 951          */
 952         function getParser( $preprocessor = null ) {
 953                 global $wgParserConf;
 954
 955                 $class = $wgParserConf['class'];
 956                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 957
 958                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 959
 960                 return $parser;
 961         }
 962
 963         //Various action functions
 964
 965         public function addArticle( $name, $text, $line ) {
 966                 self::$articles[$name] = array( $text, $line );
 967         }
 968
 969         public function publishTestArticles() {
 970                 if ( empty( self::$articles ) ) {
 971                         return;
 972                 }
 973
 974                 foreach ( self::$articles as $name => $info ) {
 975                         list( $text, $line ) = $info;
 976                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 977                 }
 978         }
 979
 980         /**
 981          * Steal a callback function from the primary parser, save it for
 982          * application to our scary parser. If the hook is not installed,
 983          * abort processing of this file.
 984          *
 985          * @param string $name
 986          * @return bool True if tag hook is present
 987          */
 988         public function requireHook( $name ) {
 989                 global $wgParser;
 990                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 991                 return isset( $wgParser->mTagHooks[$name] );
 992         }
 993
 994         public function requireFunctionHook( $name ) {
 995                 global $wgParser;
 996                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 997                 return isset( $wgParser->mFunctionHooks[$name] );
 998         }
 999
1000         //Various "cleanup" functions
1001
1002         /**
1003          * Run the "tidy" command on text if the $wgUseTidy
1004          * global is true
1005          *
1006          * @param string $text The text to tidy
1007          * @return string
1008          */
1009         protected function tidy( $text ) {
1010                 global $wgUseTidy;
1011
1012                 if ( $wgUseTidy ) {
1013                         $text = MWTidy::tidy( $text );
1014                 }
1015
1016                 return $text;
1017         }
1018
1019         /**
1020          * Remove last character if it is a newline
1021          * @param string $s
1022          */
1023         public function removeEndingNewline( $s ) {
1024                 if ( substr( $s, -1 ) === "\n" ) {
1025                         return substr( $s, 0, -1 );
1026                 } else {
1027                         return $s;
1028                 }
1029         }
1030
1031         //Test options parser functions
1032
1033         protected function parseOptions( $instring ) {
1034                 $opts = array();
1035                 // foo
1036                 // foo=bar
1037                 // foo="bar baz"
1038                 // foo=[[bar baz]]
1039                 // foo=bar,"baz quux"
1040                 $regex = '/\b
1041                         ([\w-]+)                                                # Key
1042                         \b
1043                         (?:\s*
1044                                 =                                               # First sub-value
1045                                 \s*
1046                                 (
1047                                         "
1048                                                 [^"]*                   # Quoted val
1049                                         "
1050                                 |
1051                                         \[\[
1052                                                 [^]]*                   # Link target
1053                                         \]\]
1054                                 |
1055                                         [\w-]+                          # Plain word
1056                                 )
1057                                 (?:\s*
1058                                         ,                                       # Sub-vals 1..N
1059                                         \s*
1060                                         (
1061                                                 "[^"]*"                 # Quoted val
1062                                         |
1063                                                 \[\[[^]]*\]\]   # Link target
1064                                         |
1065                                                 [\w-]+                  # Plain word
1066                                         )
1067                                 )*
1068                         )?
1069                         /x';
1070
1071                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
1072                         foreach ( $matches as $bits ) {
1073                                 array_shift( $bits );
1074                                 $key = strtolower( array_shift( $bits ) );
1075                                 if ( count( $bits ) == 0 ) {
1076                                         $opts[$key] = true;
1077                                 } elseif ( count( $bits ) == 1 ) {
1078                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
1079                                 } else {
1080                                         // Array!
1081                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
1082                                 }
1083                         }
1084                 }
1085
1086                 return $opts;
1087         }
1088
1089         protected function cleanupOption( $opt ) {
1090                 if ( substr( $opt, 0, 1 ) == '"' ) {
1091                         return substr( $opt, 1, -1 );
1092                 }
1093
1094                 if ( substr( $opt, 0, 2 ) == '[[' ) {
1095                         return substr( $opt, 2, -2 );
1096                 }
1097
1098                 return $opt;
1099         }
1100
1101         /**
1102          * Use a regex to find out the value of an option
1103          * @param string $key Name of option val to retrieve
1104          * @param array $opts Options array to look in
1105          * @param mixed $default Default value returned if not found
1106          */
1107         protected static function getOptionValue( $key, $opts, $default ) {
1108                 $key = strtolower( $key );
1109
1110                 if ( isset( $opts[$key] ) ) {
1111                         return $opts[$key];
1112                 } else {
1113                         return $default;
1114                 }
1115         }
1116 }